i would say just basic maintenance ... if it needs help ( making noises , visual signs of , HEy that doesnt look right ) then repair it . go to your LBS and check out what products they suggest and WHY . ask questions , we are all here to learn something , i hope .
Cheers T

A) Nothing
B) I run a rag over the frame and drivetrain. If the chain needs oil, I oil it.
C) I run a rag over the frame and drivetrain. I sometimes take the seatpost out and leave the bike upside-down in the stand to dry, then re-grease the seat tube. If the chain needs oil, I oil it.

C) I'll wipe my rims down. If my bike is really full of crap, I'll wipe it down a bit so it doesn't sludge on the floor in the office.

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